868578866252101 has 4 divisors (see below), whose sum is σ = 868598482341600. Its totient is φ = 868559250162604.

The previous prime is 868578866252051. The next prime is 868578866252159. The reversal of 868578866252101 is 101252668875868.

868578866252101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 868578866252101 - 2¹⁵ = 868578866219333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868578866252161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9807978331 + ... + 9808066888.

It is an arithmetic number, because the mean of its divisors is an integer number (217149620585400).

Almost surely, 2^{868578866252101} is an apocalyptic number.

It is an amenable number.

868578866252101 is a deficient number, since it is larger than the sum of its proper divisors (19616089499).

868578866252101 is a wasteful number, since it uses less digits than its factorization.

868578866252101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19616089498.

The product of its (nonzero) digits is 619315200, while the sum is 73.

The spelling of 868578866252101 in words is "eight hundred sixty-eight trillion, five hundred seventy-eight billion, eight hundred sixty-six million, two hundred fifty-two thousand, one hundred one".